<template>
  <h2>我是弟弟</h2>
  <div>哥哥说{{ gegesay }}</div>
</template>

<script setup lang='ts'>
import { ref, reactive } from 'vue'
import Bus from '@/Bus';

let gegesay = ref<string>('')

Bus.on('gegeSay', (val:string) => {
    gegesay.value = val
})

</script>
<style scoped>
</style>